Hello,
1) We can’t log in to your WP Dashboard https://prnt.sc/0CyBb0cBbVxe Please, provide us with the correct username and pass.
2) Have you followed theme documentation to translate theme https://xstore.helpscoutdocs.com/article/30-base-theme-translation
Try to use Loco Translate plugin to translate theme and XStore core.
Regards